In "Into Fat Air", Peter challenges the Fishmans in a climb up Mt. Everest. Lois backs the challenge after being put off by the Fishman's attitude. The Griffins arrive at the summit only to find the Fishman's beat them there but in a storm on the way down the Griffins discover and eat the frozen body of Ben Fishman. Peter later rescues Ross and his wife Pam Fishman before revealing their son's fate.